Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645967 | Microwave oven | Yong Yeon Kim, Dong-yool Lee, Boo-Youn Lee, Sang Hu Park, Woon-jin Kim +3 more | 2010-01-12 |
| 7012230 | Microwave oven | Yong Yeon Kim, Dong-yool Lee, Boo-Youn Lee, Sang Hu Park, Woon-jin Kim +3 more | 2006-03-14 |
| 6646368 | Shadow mask in color cathode ray tube | — | 2003-11-11 |
| 6580205 | Frame assembly of shadow mask in flat braun tube | — | 2003-06-17 |
| 6335594 | Frame assembly in flat cathode ray tube | — | 2002-01-01 |
| 5693358 | Animal feed manufacturing method based on fish oil | Sang Hak Lee | 1997-12-02 |